{"id":2802,"date":"2020-09-02T17:41:20","date_gmt":"2020-09-02T09:41:20","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=2802"},"modified":"2020-09-02T17:41:20","modified_gmt":"2020-09-02T09:41:20","slug":"inceptor%e6%95%b0%e6%8d%ae%e5%af%bc%e5%85%a5%e5%af%bc%e5%87%ba%e4%b9%8b%e8%bf%81%e7%a7%bbhdfs%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=2802","title":{"rendered":"Inceptor\u6570\u636e\u5bfc\u5165\u5bfc\u51fa\u4e4b\u8fc1\u79fbHDFS\u6587\u4ef6"},"content":{"rendered":"

\u6982\u8981\u8bf4\u660e<\/h3>\n
\n

\u9762\u5bf9\u4e00\u4e9b\u91cd\u8981\u6570\u636e\uff0c\u5f88\u591a\u573a\u666f\u4e0b\u90fd\u9700\u8981\u5c06\u6570\u636e\u4ed3\u5e93\u8fdb\u884c\u590d\u5236\uff0c\u8fd9\u672c\u6848\u4f8b\u5c06\u6f14\u793a\u4f7f\u7528HDFS \u7684 Distcp\uff0c\u4ee5\u53caInceptor \u7684\u5206\u533a\u4fee\u590d\u5de5\u5177 MSCK \u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u6765\u8fc1\u79fb ORC \u666e\u901a\u8868\uff0c\u4ee5\u53caORC \u5355\u503c\u5206\u533a\u8868\uff1b<\/p>\n

\n

\u5b9e\u9645\u6d4b\u8bd5\u53d1\u73b0\u8be5\u65b9\u6848\u9002\u7528\u4e8e\u666e\u901a ORC\u8868\u3001CSV\u8868\u3001Text\u8868\u3001\u5206\u533a\u8868\u4e2d\u9002\u7528\u4e8e\u666e\u901a ORC \u5355\u503c\u5206\u533a\u8868\u3002
\nhyperbase\u3001ES\u3001holodesk\u7b49\u8868\u7c7b\u578b\u672a\u6d4b\u8bd5\uff1bORC \u4e8b\u52a1\u8868\u5747\u4e0d\u652f\u6301\u8be5\u79cd\u65b9\u6848\uff1b<\/p>\n<\/blockquote>\n

\u8be6\u7ec6\u8bf4\u660e<\/h3>\n
\n

\u5728\u4e0d\u540c\u7684 Incpeotr \u4e2d\uff0cORC \u8868\u7684\u6570\u636e\u6587\u4ef6\u538b\u7f29\u683c\u5f0f\u662f\u76f8\u540c\u7684\uff0c\u672c\u6848\u4f8b\u5c31\u662f\u57fa\u4e8e\u8fd9\u4e00\u7279\u70b9\u5b9e\u73b0\u7684\uff1b\u8be5\u65b9\u6cd5\u4e3b\u8981\u5206\u4e3a\u4e24\u6b65\uff1a<\/p>\n

    \n
  1. \u5728\u6e90\u96c6\u7fa4\u6267\u884cdistcp\uff0c\u5c06\u6570\u636ecopy \u5230\u76ee\u6807\u96c6\u7fa4<\/li>\n
  2. \u5728\u76ee\u6807\u96c6\u7fa4\u6839\u636e\u6587\u4ef6\u521b\u5efa\u76f8\u540c\u8868\u7ed3\u6784\u7684\u8868\uff1b<\/li>\n
  3. \u5982\u679c\u662f\u5355\u503c\u5206\u533a\u8868\uff0c\u6267\u884c MSCK \u5206\u533a\u4fee\u590d\u547d\u4ee4\u4fee\u590d\uff1b<\/li>\n<\/ol>\n

    1. \u5728\u6e90\u96c6\u7fa4\u6267\u884cdistcp\uff0c\u5c06\u6570\u636ecopy \u5230\u76ee\u6807\u96c6\u7fa4<\/h4>\n

    \u5c06\u6e90\u96c6\u7fa4\u7684 source.orc_unpart_hdfs<\/code> \u8868\u7684\u6570\u636e\u6587\u4ef6 copy \u5230\u76ee\u6807\u96c6\u7fa4\uff0cdistcp \u7684\u4f7f\u7528\u65b9\u6cd5\u53c2\u89c1\u8fde\u63a5\uff1a<\/p>\n

    \u5982\u679c\u6e90\u96c6\u7fa4\u5f00\u4e86\u5b89\u5168\uff0c\u76ee\u6807\u96c6\u7fa4\u6ca1\u6709\u5f00\u542f\u5b89\u5168\u65f6\uff0c\u9700\u8981\u6dfb\u52a0\u5982\u4e0b\u53c2\u6570\uff1a-Dipc.client.fallback-to-simple-auth-allowed=true<\/strong><\/p>\n

    $ hadoop distcp -Dipc.client.fallback-to-simple-auth-allowed=true hdfs:\/\/nameservice1\/inceptor1\/user\/hive\/warehouse\/source.db\/tableau\/orc_unpart_hdfs\/  hdfs:\/\/172.22.22.161:8020\/distcp\/<\/code><\/pre>\n
    2. \u5728\u76ee\u6807\u96c6\u7fa4\u6307\u5b9a location \u6570\u636e\u8def\u5f84\u521b\u5efa\u76f8\u540c\u7ed3\u6784\u7684ORC\u8868<\/h4>\n
    CREATE  TABLE dest.orc_unpart_hdfs(\n  group_id int DEFAULT NULL, \n  code string DEFAULT NULL, \n  name string DEFAULT NULL, \n  new_price decimal(8,2) DEFAULT NULL, \n  main_percent decimal(8,2) DEFAULT NULL, \n  today_ranking decimal(8,2) DEFAULT NULL, \n  rise_percent decimal(6,2) DEFAULT NULL, \n  fiveday_percent decimal(8,2) DEFAULT NULL, \n  fiveday_ranking decimal(6,2) DEFAULT NULL, \n  fiveday_rise_percent decimal(5,2) DEFAULT NULL, \n  teneday_percent decimal(8,2) DEFAULT NULL, \n  tenday_ranking decimal(6,2) DEFAULT NULL, \n  tenday_rise_percent decimal(5,2) DEFAULT NULL, \n  guild string DEFAULT NULL, \n  code_id string DEFAULT NULL, \n  data_dt date DEFAULT NULL\n) STORED AS ORC\nLOCATION '\/distcp\/orc_unpart_hdfs\/';<\/code><\/pre>\n
    3. \u5982\u679c\u8fc1\u79fb\u7684\u8868\u662f\u5355\u503c\u5206\u533a\u8868\uff0c\u6267\u884c MSCK \u547d\u4ee4\u4fee\u590d\u5206\u533a\uff1b<\/h4>\n
    MSCK \u7684\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879\u53c2\u89c1\u8fde\u63a5 Hive\u5206\u533a\u4fee\u590d\u547d\u4ee4MSCK\u4ecb\u7ecd\u4e0e\u4f7f\u7528<\/a><\/p>\n
    USE dest;\nMSCK REPAIR TABLE orc_part_key_hdfs;<\/code><\/pre>\n
    \u9a8c\u8bc1\u76ee\u6807\u96c6\u7fa4\u7684\u6570\u636e\u548c\u6e90\u96c6\u7fa4\u4e00\u81f4\uff0c\u81f3\u6b64\u6570\u636e\u8fc1\u79fb\u5c31\u5b8c\u6210\u4e86\uff1b<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u6982\u8981\u8bf4\u660e \u9762\u5bf9\u4e00\u4e9b\u91cd\u8981\u6570\u636e\uff0c\u5f88\u591a\u573a\u666f\u4e0b\u90fd\u9700\u8981\u5c06\u6570\u636e\u4ed3\u5e93\u8fdb\u884c\u590d\u5236\uff0c\u8fd9\u672c\u6848\u4f8b\u5c06\u6f14\u793a\u4f7f\u7528HDFS \u7684 Distcp\uff0c ..<\/p>\n
    <\/div>\n
    Read more<\/a><\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2802","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/2802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2802"}],"version-history":[{"count":2,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/2802\/revisions"}],"predecessor-version":[{"id":5130,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/2802\/revisions\/5130"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}